diff --git a/fuzz/Cargo.lock b/fuzz/Cargo.lock
index 4c48eee9b..f0cb8246b 100644
--- a/fuzz/Cargo.lock
+++ b/fuzz/Cargo.lock
@@ -614,9 +614,9 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.80"
+version = "1.0.81"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f972498cf015f7c0746cac89ebe1d6ef10c293b94175a243a2d9442c163d9944"
+checksum = "9b7ce2b32a1aed03c558dc61a5cd328f15aff2dbc17daad8fb8af04d2100e15c"
 dependencies = [
  "itoa",
  "ryu",